Salem’s Iddo Goldberg Is Joining TNT’s Snowpiercer Series There’s been some creative turmoil behind-the-scenes of TNT’s Snowpiercer series, but the show appears to be once again moving forward with its latest casting addition. According to Deadline, former Salem co-star Iddo Goldberg has joined Snowpiercer as a series regular. The show is an adaptation of Jacques Lob’s graphic novel Le Transperceneige and the 2013 Snowpiercer movie directed by Bong Joon-ho.